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3 years ago

Please help me i dont understand S=πr2+πrs

Mathematics

1 answer:

worty [1.4K]3 years ago

5 0

Answer:

Surface Area of a Cone = πr2 + πrs

Step-by-step explanation:

To find the surface area of a cone, we need to find the area of the circular base and the area of the curved section. This one involves a new measurement, s, which is the length of the slanted part.

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Five groups at summer camp have a total of 27 boxes of popsicles to share. How many boxes will each group receive?

krek1111 [17]

Answer:

5.5

Step-by-step explanation:

You divide 27 by 5.

5 0

2 years ago

Read 2 more answers

Can someone help me out with this? I’m not sure what I’m doing wrong.

Nadusha1986 [10]

Answer:

Step-by-step explanation:

This is a system of inequalities such that:

$\left \{ {{2x+3y\geq 2} \atop {3x-4y\leq 3}} \right.$

Let's start by solving for y for both equations:

Equation 1:

$2x+3y\geq 2\\\\3y\geq -2x+2\\\\y \geq \frac{-2x+2}{3}$

Equation 2:

$3x-4y\leq 3\\\\-4y\leq -3x+3\\\\y\geq -\frac{(-3x+3)}{4}$

Now if we substitute the 2nd y into the first equation we obtain:

$2x+3(\frac{3x-3}{4}) \geq 2\\\\2x+\frac{9x-9}{4}\geq 2\\\\\frac{8x+9x-9}{4}\geq 2\\\\17x-9\geq 8\\\\17x\geq 17\\\\x\geq 1$

Now we will solve for the second equation using the first result of y and we obtain:

$3x-4(\frac{-2x+2}{3}\leq 3\\\\3x+\frac{8x-8}{3}\leq 3\\\\\frac{9x+8x-8}{3}\leq 3\\\\17x-8\leq 9\\\\17x\leq 17\\\\x\leq 1$

And so our solution for the system of equations is:

$x \leq 1\\and \\y\geq \frac{-2x+2}{3}$

As well as:

$x>1\\and\\y\geq \frac{3x-3}{4}$

4 0

4 years ago

Please help so I can watch Coop and Cami ask the world

MariettaO [177]

Step-by-step explanation:

Simple interest=principal x rate x time÷100

amount borrowed=$500

I=$500x7x6÷100

I=$210

therefore you will pay

amount borrowed+interest

$500+$210

$710

hope this is helpful

6 0

3 years ago

Indicate in standard form the equation of the line through the given points.

Inga [223]

Standard form is y=mx+b slope m is
$\frac{1-(-4)}{5-0}=1$
and the y-intercept, b, is seen by point P to be -4. So
y=x-4

6 0

4 years ago

Use The four step process to find the slope of the tangent line to the graph of the given function at any point. ( simplify your

hodyreva [135]

Answer:

The answer to your question is: 16x + 3

Step-by-step explanation:

Step 1 : f(x) = 8x² + 3x

f(x +h) = 8(x + h)² + 3( x + h)

f(x + h) = 8( x² + 2xh + h²) + 3( x + h)

f (x + h) = 8x² + 16xh + 8h² + 3x + 3h

Step 2 f(x+h) - f(x) = 8x² + 16xh + 8h² + 3x + 3h - ( 8x² + 3x)

= 8x² + 16xh + 8h² + 3x + 3h - 8x² -3x

= 16xh + 8h² + 3 h

Step 3 f(x + h) - f(x)/ h = h(16x + 8h + 3) /h

= 16x + 8h + 3

Step 4 lim f(x + h) - f(x)/ h = lim 16x + 8h + 3 = lim 16x + 8(0) + 3 = 16x + 3

h ⇒0 h ⇒0 h ⇒0

3 0

3 years ago